class Solution {
public:
    string breakPalindrome(string palindrome) {
        int n = palindrome.size();
        if(n == 1)
        {
            return "";
        }
        bool ischanged = false;
        int i = 0;
        for(i = 0; i < n / 2; i++)
        {
            if(palindrome[i] != 'a')
            {
                palindrome[i] = 'a';
               
                return  palindrome;

            }
        }
        palindrome.back()++;
        return palindrome;

        
    }
};